Obtaining the native handle associated with an object, which the operating system uses internally, is a very useful tool for interacting with parts of the system’s own API, especially those that would be difficult to standardize as part of the C++ standard library. Recently, in order to expose the native handle associated with files, the inclusion of paper P1759R6 in the standard was approved for C++26. As a result, a new public member function `native_handle``()` is added to the classes `basic_filebuf`, `basic_ifstream`, `basic_ofstream` and `basic_fstream`, giving access to the native handle that represents the file descriptor [[P1759R6]](https://wg21.link/p1759r6).